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For a certain probability experiment, the probability that event F wil

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For a certain probability experiment, the probability that event F wil  [#permalink]

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New post 20 Jul 2018, 22:36
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For a certain probability experiment, the probability that event F will occur is 1/4 and the probability that even G will occur is 3/5. Which of the following values could be the probability that the event F∩G (both) will occur?
A-1/5
B-1/4
C-3/5
D-17/20
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Re: For a certain probability experiment, the probability that event F wil  [#permalink]

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New post 20 Jul 2018, 23:29
ssp4all can you add the missing option E to the question ?
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For a certain probability experiment, the probability that event F wil  [#permalink]

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New post 20 Jul 2018, 23:34
Looks like option A

P(AUB) + Neither =P(A) + P(B) - P(A and B)

Now we get 1 + neither =1/4 +3/5 -x

Therefore X+neither =3/20

The question asks which of following option COULD BE the value ..

So anything less than equal to to 3/20 should be right..since if neither is zero or a little more ..it will have a reducing effect on x or 3/20

So option A

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For a certain probability experiment, the probability that event F wil  [#permalink]

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New post 21 Jul 2018, 00:03
workout wrote:
ssp4all can you add the missing option E to the question ?


workout Actually, it is multiple choice question with given options only
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Re: For a certain probability experiment, the probability that event F wil  [#permalink]

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New post 21 Jul 2018, 00:11
prabsahi wrote:
Looks like option A

P(AUB) + Neither =P(A) + P(B) - P(A and B)

Now we get 1 + neither =1/4 +3/5 -x

Therefore X+neither =3/20

The question asks which of following option COULD BE the value ..

So anything less than equal to to 3/20 should be right..since if neither is zero or a little more ..it will have a reducing effect on x or 3/20

So option A

Press Kudos if it helps !!







prabsahi bcoz it is an MCQ if event F is a subset of event E then (E and F) = 0.25
so ans should be A and B?
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Re: For a certain probability experiment, the probability that event F wil &nbs [#permalink] 21 Jul 2018, 00:11
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